20215446862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2111}}^1\times {\mathrm{2129}}^1$

素因数の和:4428

約数の個数: 32

約数和(自身を含む): 32875476480

約数和(自身を除く): 12660029618

約数列:

[1, 2, 13, 26, 173, 346, 2111, 2129, 2249, 4222, 4258, 4498, 27443, 27677, 54886, 55354, 365203, 368317, 730406, 736634, 4494319, 4747639, 4788121, 8988638, 9495278, 9576242, 58426147, 116852294, 777517187, 1555034374, 10107723431, 20215446862]

約数ペア:

[(1, 20215446862), (2, 10107723431), (13, 1555034374), (26, 777517187), (173, 116852294), (346, 58426147), (2111, 9576242), (2129, 9495278), (2249, 8988638), (4222, 4788121), (4258, 4747639), (4498, 4494319), (27443, 736634), (27677, 730406), (54886, 368317), (55354, 365203)]